Binary to ASCII converter

Paste binary bytes and read them as ASCII characters. Works with 8-bit or 7-bit groups, spaced or run together.

Text5 chars · 5 bytes

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Binary40 bits

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Printable ASCII in binary (32–126)

Char	Binary	Dec
space	00100000	32
!	00100001	33
"	00100010	34
#	00100011	35
$	00100100	36
%	00100101	37
&	00100110	38
'	00100111	39
(	00101000	40
)	00101001	41
*	00101010	42
+	00101011	43
,	00101100	44
-	00101101	45
.	00101110	46
/	00101111	47
0	00110000	48
1	00110001	49
2	00110010	50
3	00110011	51
4	00110100	52
5	00110101	53
6	00110110	54
7	00110111	55
8	00111000	56
9	00111001	57
:	00111010	58
;	00111011	59
<	00111100	60
=	00111101	61
>	00111110	62
?	00111111	63

Char	Binary	Dec
@	01000000	64
A	01000001	65
B	01000010	66
C	01000011	67
D	01000100	68
E	01000101	69
F	01000110	70
G	01000111	71
H	01001000	72
I	01001001	73
J	01001010	74
K	01001011	75
L	01001100	76
M	01001101	77
N	01001110	78
O	01001111	79
P	01010000	80
Q	01010001	81
R	01010010	82
S	01010011	83
T	01010100	84
U	01010101	85
V	01010110	86
W	01010111	87
X	01011000	88
Y	01011001	89
Z	01011010	90
[	01011011	91
\	01011100	92
]	01011101	93
^	01011110	94
_	01011111	95

Char	Binary	Dec
`	01100000	96
a	01100001	97
b	01100010	98
c	01100011	99
d	01100100	100
e	01100101	101
f	01100110	102
g	01100111	103
h	01101000	104
i	01101001	105
j	01101010	106
k	01101011	107
l	01101100	108
m	01101101	109
n	01101110	110
o	01101111	111
p	01110000	112
q	01110001	113
r	01110010	114
s	01110011	115
t	01110100	116
u	01110101	117
v	01110110	118
w	01110111	119
x	01111000	120
y	01111001	121
z	01111010	122
{	01111011	123
\|	01111100	124
}	01111101	125
~	01111110	126

Control codes 0–31 and 127 are in the full ASCII table.

ASCII vs. UTF-8

ASCII defines 128 characters. UTF-8 keeps those same 128 byte values and adds multi-byte sequences for everything else, so for plain English text the two give identical binary. This page defaults to ASCII and tells you when a character falls outside it; the encoding menu switches to UTF-8, UTF-16 or Windows-1252 when you need them. For the general tool see the binary translator.

Related: Hex to ASCII · ASCII to hex · ASCII to binary

Questions people ask

How do I convert binary to ASCII?

Split the bits into 8-bit bytes, convert each byte to decimal by adding its place values (128, 64, 32 … 1), and look that number up in the ASCII table. 01000001 = 64 + 1 = 65 = “A”.

What is 01000001 in ASCII?

“A” (decimal 65).

Does it accept 7-bit binary?

Yes. ASCII is a 7-bit code, so 1000001 also reads as “A”. A run-together string whose length divides by 7 but not 8 is split into 7-bit groups automatically.

What is the difference between ASCII and binary?

ASCII is a table that maps characters to numbers; binary is a way of writing those numbers with 0s and 1s. Converting “binary to ASCII” means reading the numbers and looking them up in that table.